diff --git a/xos/synchronizer/tests/test_config.yaml b/xos/synchronizer/tests/test_config.yaml
new file mode 100644
index 0000000..acd2ba7
--- /dev/null
+++ b/xos/synchronizer/tests/test_config.yaml
@@ -0,0 +1,29 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+name: test-model-policies
+accessor:
+  username: xosadmin@opencord.org
+  password: "sample"
+  kind: "testframework"
+logging:
+  version: 1
+  handlers:
+    console:
+      class: logging.StreamHandler
+  loggers:
+    'multistructlog':
+      handlers:
+          - console
diff --git a/xos/synchronizer/tests/test_pull_ports.py b/xos/synchronizer/tests/test_pull_ports.py
new file mode 100644
index 0000000..7bfe160
--- /dev/null
+++ b/xos/synchronizer/tests/test_pull_ports.py
@@ -0,0 +1,90 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import json
+import os
+import sys
+import unittest
+from mock import patch, PropertyMock, ANY, MagicMock
+from unit_test_common import setup_sync_unit_test
+
+def fake_connect_openstack_admin(self, service, required_version=None):
+    return MagicMock()
+
+class TestPullPorts(unittest.TestCase):
+
+    def setUp(self):
+        self.unittest_setup = setup_sync_unit_test(os.path.abspath(os.path.dirname(os.path.realpath(__file__))),
+                                                   globals(),
+                                                   [("openstack", "openstack.xproto")] )
+
+        sys.path.append(os.path.join(os.path.abspath(os.path.dirname(os.path.realpath(__file__))), "../pull_steps"))
+
+        from pull_ports import OpenStackPortPullStep
+        self.step_class = OpenStackPortPullStep
+
+        self.service = OpenStackService()
+        self.site = Site(name="test-site")
+        self.trust_domain = TrustDomain(owner=self.service, name="test-trust")
+        self.flavor = Flavor(name="test-flavor", backend_handle=1114)
+        self.node = Node(name="test-node", backend_handle=1113)
+        self.slice = Slice(name="test-slice", trust_domain=self.trust_domain, backend_handle=1112)
+        self.image = Image(name="test-image", backend_handle=1111)
+        self.net_management = Network(name="management", backend_handle=1115)
+
+    def tearDown(self):
+        sys.path = self.unittest_setup["sys_path_save"]
+
+    def test_pull_records(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin, \
+             patch.object(Port.objects, "get_items") as port_objects, \
+             patch.object(Network.objects, "get_items") as network_objects, \
+             patch.object(OpenStackServiceInstance.objects, "get_items") as ossi_objects, \
+             patch.object(OpenStackService.objects, "get_items") as osi_objects, \
+             patch.object(Port, "save", autospec=True) as port_save:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_instance = OpenStackServiceInstance(name="test-instance", slice=self.slice, image=self.image,
+                                                    node=self.node, flavor=self.flavor, backend_handle=2112)
+
+            port_objects.return_value = []
+            network_objects.return_value = [self.net_management]
+            ossi_objects.return_value = [xos_instance]
+            osi_objects.return_value = [self.service]
+
+            cn = ControllerNetwork(net_id=self.net_management.backend_handle)
+            self.net_management.controllernetworks = self.unittest_setup["MockObjectList"]([cn])
+
+            fakeconn.network.ports.return_value = [MagicMock(id=2111, device_id=xos_instance.backend_handle,
+                                                             network_id=self.net_management.backend_handle,
+                                                             fixed_ips=[{"ip_address": "1.2.3.4"}],
+                                                             mac_address="11:22:33:44:55:66")]
+
+            step = self.step_class()
+            step.pull_records()
+
+            self.assertEqual(port_save.call_count, 1)
+            saved_port = port_save.call_args[0][0]
+
+            self.assertEqual(saved_port.network, self.net_management)
+            self.assertEqual(saved_port.ip, "1.2.3.4")
+            self.assertEqual(saved_port.mac, "11:22:33:44:55:66")
+            self.assertEqual(saved_port.port_id, 2111)
+
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/xos/synchronizer/tests/test_sync_openstackserviceinstance.py b/xos/synchronizer/tests/test_sync_openstackserviceinstance.py
new file mode 100644
index 0000000..c39bd0b
--- /dev/null
+++ b/xos/synchronizer/tests/test_sync_openstackserviceinstance.py
@@ -0,0 +1,120 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import json
+import os
+import sys
+import unittest
+from mock import patch, PropertyMock, ANY, MagicMock
+from unit_test_common import setup_sync_unit_test
+
+def fake_connect_openstack_admin(self, service, required_version=None):
+    return MagicMock()
+
+class TestSyncOpenStackServiceInstance(unittest.TestCase):
+
+    def setUp(self):
+        self.unittest_setup = setup_sync_unit_test(os.path.abspath(os.path.dirname(os.path.realpath(__file__))),
+                                                   globals(),
+                                                   [("openstack", "openstack.xproto")] )
+
+        sys.path.append(os.path.join(os.path.abspath(os.path.dirname(os.path.realpath(__file__))), "../steps"))
+
+        from sync_openstackserviceinstance import SyncOpenStackServiceInstance
+        self.step_class = SyncOpenStackServiceInstance
+
+        self.service = OpenStackService()
+        self.site = Site(name="test-site")
+        self.trust_domain = TrustDomain(owner=self.service, name="test-trust")
+        self.flavor = Flavor(name="test-flavor", backend_handle=1114)
+        self.node = Node(name="test-node", backend_handle=1113)
+        self.slice = Slice(name="test-slice", trust_domain=self.trust_domain, backend_handle=1112)
+        self.image = Image(name="test-image", backend_handle=1111)
+
+    def tearDown(self):
+        sys.path = self.unittest_setup["sys_path_save"]
+
+    def test_sync_record_create_noexist(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_instance = OpenStackServiceInstance(name="test-instance", slice=self.slice, image=self.image,
+                                                    node=self.node, flavor=self.flavor)
+
+            step = self.step_class()
+            fakeconn.compute.servers.return_value = []
+            fakeconn.identity.find_project.return_value = MagicMock(id=self.slice.backend_handle)
+            fakeconn.identity.find_domain.return_value = MagicMock(id=self.trust_domain.backend_handle)
+            fakeconn.compute.find_image.return_value = MagicMock(id=self.image.backend_handle)
+            fakeconn.compute.find_flavor.return_value = MagicMock(id=self.flavor.backend_handle)
+
+            os_instance = MagicMock()
+            os_instance.id = "1234"
+            fakeconn.compute.create_server.return_value = os_instance
+
+            step.sync_record(xos_instance)
+
+            fakeconn.compute.create_server.assert_called_with(admin_password=ANY,
+                                                              availability_zone="nova:test-node",
+                                                              config_drive=True,
+                                                              flavor_id=self.flavor.backend_handle,
+                                                              image_id=self.image.backend_handle,
+                                                              name=xos_instance.name,
+                                                              networks=[],
+                                                              project_domain_id=self.slice.backend_handle,
+                                                              user_data=ANY)
+            self.assertEqual(xos_instance.backend_handle, "1234")
+
+    def test_sync_record_create_exists(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_instance = OpenStackServiceInstance(name="test-instance", slice=self.slice, image=self.image,
+                                                    node=self.node, flavor=self.flavor)
+
+            os_instance = MagicMock()
+            os_instance.id = "1234"
+
+            step = self.step_class()
+            fakeconn.identity.find_project.return_value = os_instance
+            fakeconn.compute.create_server.return_value = None
+            fakeconn.compute.servers.return_value = [os_instance]
+
+            step.sync_record(xos_instance)
+
+            fakeconn.compute.create_server.assert_not_called()
+            self.assertEqual(xos_instance.backend_handle, "1234")
+
+    def test_delete_record(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_instance = OpenStackServiceInstance(name="test-instance", slice=self.slice, image=self.image,
+                                                    node=self.node, flavor=self.flavor)
+
+            step = self.step_class()
+            os_instance = MagicMock()
+            os_instance.id = "1234"
+            fakeconn.compute.servers.return_value = [os_instance]
+            fakeconn.compute.delete_server.return_value = None
+
+            step.delete_record(xos_instance)
+            fakeconn.compute.delete_server.assert_called_with("1234")
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/xos/synchronizer/tests/test_sync_principal.py b/xos/synchronizer/tests/test_sync_principal.py
new file mode 100644
index 0000000..f06ec48
--- /dev/null
+++ b/xos/synchronizer/tests/test_sync_principal.py
@@ -0,0 +1,102 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import json
+import os
+import sys
+import unittest
+from mock import patch, PropertyMock, ANY, MagicMock
+from unit_test_common import setup_sync_unit_test
+
+def fake_connect_openstack_admin(self, service, required_version=None):
+    return MagicMock()
+
+class TestSyncPrincipal(unittest.TestCase):
+
+    def setUp(self):
+        self.unittest_setup = setup_sync_unit_test(os.path.abspath(os.path.dirname(os.path.realpath(__file__))),
+                                                   globals(),
+                                                   [("openstack", "openstack.xproto")] )
+
+        sys.path.append(os.path.join(os.path.abspath(os.path.dirname(os.path.realpath(__file__))), "../steps"))
+
+        from sync_principal import SyncPrincipal
+        self.step_class = SyncPrincipal
+
+        self.service = OpenStackService()
+        self.trust_domain = TrustDomain(owner=self.service, name="test-trust")
+
+    def tearDown(self):
+        sys.path = self.unittest_setup["sys_path_save"]
+
+    def test_sync_record_create_noexist(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            trust_domain_id = 5678
+
+            xos_principal = Principal(name="test-principal", trust_domain=self.trust_domain)
+
+            step = self.step_class()
+            fakeconn.identity.find_user.return_value = None
+            fakeconn.identity.find_domain.return_value = MagicMock(id=trust_domain_id)
+
+            os_user = MagicMock()
+            os_user.id = "1234"
+            fakeconn.identity.create_user.return_value = os_user
+
+            step.sync_record(xos_principal)
+
+            fakeconn.identity.create_user.assert_called_with(name=xos_principal.name, domain_id=trust_domain_id)
+            self.assertEqual(xos_principal.backend_handle, "1234")
+
+    def test_sync_record_create_exists(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_principal = Principal(name="test-principal", trust_domain=self.trust_domain)
+
+            os_user = MagicMock()
+            os_user.id = "1234"
+
+            step = self.step_class()
+            fakeconn.identity.find_user.return_value = os_user
+            fakeconn.identity.create_user.return_value = None
+
+            step.sync_record(xos_principal)
+
+            fakeconn.identity.create_user.assert_not_called()
+            self.assertEqual(xos_principal.backend_handle, "1234")
+
+    def test_delete_record(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_principal = Principal(name="test-principal", trust_domain=self.trust_domain)
+
+            step = self.step_class()
+            os_user = MagicMock()
+            os_user.id = "1234"
+            fakeconn.identity.find_user.return_value = os_user
+            fakeconn.identity.delete_user.return_value = None
+
+            step.delete_record(xos_principal)
+            fakeconn.identity.delete_user.assert_called_with("1234")
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/xos/synchronizer/tests/test_sync_slice.py b/xos/synchronizer/tests/test_sync_slice.py
new file mode 100644
index 0000000..384641f
--- /dev/null
+++ b/xos/synchronizer/tests/test_sync_slice.py
@@ -0,0 +1,103 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import json
+import os
+import sys
+import unittest
+from mock import patch, PropertyMock, ANY, MagicMock
+from unit_test_common import setup_sync_unit_test
+
+def fake_connect_openstack_admin(self, service, required_version=None):
+    return MagicMock()
+
+class TestSyncSlice(unittest.TestCase):
+
+    def setUp(self):
+        self.unittest_setup = setup_sync_unit_test(os.path.abspath(os.path.dirname(os.path.realpath(__file__))),
+                                                   globals(),
+                                                   [("openstack", "openstack.xproto")] )
+
+        sys.path.append(os.path.join(os.path.abspath(os.path.dirname(os.path.realpath(__file__))), "../steps"))
+
+        from sync_slice import SyncSlice
+        self.step_class = SyncSlice
+
+        self.service = OpenStackService()
+        self.site = Site(name="test-site")
+        self.trust_domain = TrustDomain(owner=self.service, name="test-trust")
+
+    def tearDown(self):
+        sys.path = self.unittest_setup["sys_path_save"]
+
+    def test_sync_record_create_noexist(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            trust_domain_id = 5678
+
+            xos_slice = Slice(name="test-slice", trust_domain=self.trust_domain, site=self.site)
+
+            step = self.step_class()
+            fakeconn.identity.find_project.return_value = None
+            fakeconn.identity.find_domain.return_value = MagicMock(id=trust_domain_id)
+
+            os_slice = MagicMock()
+            os_slice.id = "1234"
+            fakeconn.identity.create_project.return_value = os_slice
+
+            step.sync_record(xos_slice)
+
+            fakeconn.identity.create_project.assert_called_with(name=xos_slice.name, domain_id=trust_domain_id)
+            self.assertEqual(xos_slice.backend_handle, "1234")
+
+    def test_sync_record_create_exists(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_slice = Slice(name="test-slice", trust_domain=self.trust_domain, site=self.site)
+
+            os_slice = MagicMock()
+            os_slice.id = "1234"
+
+            step = self.step_class()
+            fakeconn.identity.find_project.return_value = os_slice
+            fakeconn.identity.create_user.return_value = None
+
+            step.sync_record(xos_slice)
+
+            fakeconn.identity.create_slice.assert_not_called()
+            self.assertEqual(xos_slice.backend_handle, "1234")
+
+    def test_delete_record(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_slice = Slice(name="test-slice", trust_domain=self.trust_domain, site=self.site)
+
+            step = self.step_class()
+            os_slice = MagicMock()
+            os_slice.id = "1234"
+            fakeconn.identity.find_project.return_value = os_slice
+            fakeconn.identity.delete_project.return_value = None
+
+            step.delete_record(xos_slice)
+            fakeconn.identity.delete_project.assert_called_with("1234")
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/xos/synchronizer/tests/test_sync_trustdomain.py b/xos/synchronizer/tests/test_sync_trustdomain.py
new file mode 100644
index 0000000..b9f8a74
--- /dev/null
+++ b/xos/synchronizer/tests/test_sync_trustdomain.py
@@ -0,0 +1,104 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import json
+import os
+import sys
+import unittest
+from mock import patch, PropertyMock, ANY, MagicMock
+from unit_test_common import setup_sync_unit_test
+
+def fake_connect_openstack_admin(self, service, required_version=None):
+    return MagicMock()
+
+class TestSyncTrustDomain(unittest.TestCase):
+
+    def setUp(self):
+        self.unittest_setup = setup_sync_unit_test(os.path.abspath(os.path.dirname(os.path.realpath(__file__))),
+                                                   globals(),
+                                                   [("openstack", "openstack.xproto")] )
+
+        sys.path.append(os.path.join(os.path.abspath(os.path.dirname(os.path.realpath(__file__))), "../steps"))
+
+        from sync_trustdomain import SyncTrustDomain
+        self.step_class = SyncTrustDomain
+
+        self.service = OpenStackService()
+
+    def tearDown(self):
+        sys.path = self.unittest_setup["sys_path_save"]
+
+    def test_sync_record_create_noexist(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_trust_domain = TrustDomain(name="test-trust", owner=self.service)
+
+            step = self.step_class()
+            fakeconn.identity.find_domain.return_value = None
+
+            os_domain = MagicMock()
+            os_domain.id = "1234"
+            fakeconn.identity.create_domain.return_value = os_domain
+
+            step.sync_record(xos_trust_domain)
+
+            fakeconn.identity.create_domain.assert_called_with(name=xos_trust_domain.name)
+            self.assertEqual(xos_trust_domain.backend_handle, "1234")
+
+    def test_sync_record_create_exists(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_trust_domain = TrustDomain(name="test-trust", owner=self.service)
+
+            step = self.step_class()
+            os_domain = MagicMock()
+            os_domain.id = "1234"
+            fakeconn.identity.find_domain.return_value = os_domain
+
+            fakeconn.identity.create_domain.return_value = None
+
+            step.sync_record(xos_trust_domain)
+
+            fakeconn.identity.create_domain.assert_not_called()
+            self.assertEqual(xos_trust_domain.backend_handle, "1234")
+
+    def test_delete_record(self):
+        fakeconn = MagicMock()
+        with patch.object(self.step_class, "connect_openstack_admin") as fake_connect_openstack_admin:
+            fake_connect_openstack_admin.return_value = fakeconn
+
+            xos_trust_domain = TrustDomain(name="test-trust", owner=self.service)
+
+            step = self.step_class()
+            os_domain = MagicMock()
+            os_domain.id = "1234"
+            os_domain.enabled = True
+            fakeconn.identity.find_domain.return_value = os_domain
+            os_domain2 = MagicMock()
+            os_domain2.id = "1234"
+            os_domain2.enabled = False
+            fakeconn.identity.update_domain.return_value = os_domain2
+            fakeconn.identity.delete_domain.return_value = None
+
+            step.delete_record(xos_trust_domain)
+            fakeconn.identity.update_domain.assert_called_with("1234", enabled=False)
+            fakeconn.identity.delete_domain.assert_called_with("1234")
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/xos/synchronizer/tests/unit_test_common.py b/xos/synchronizer/tests/unit_test_common.py
new file mode 100644
index 0000000..68f6743
--- /dev/null
+++ b/xos/synchronizer/tests/unit_test_common.py
@@ -0,0 +1,84 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import os
+import sys
+
+def setup_sync_unit_test(test_path, globals_dict, models, config_fn="test_config.yaml"):
+    """ Perform the common steps associated with setting up a synchronizer unit test.
+           1) Add synchronizers/new_base to sys.path
+           2) Import xosconfig.Config and set it up to test_config.yaml in the current dir
+           3) Build the mock modelaccessor and import it
+           4) Import all model accessor classes into global space
+
+        Arguments:
+            test_path - path to the test case that is being run
+            globals_dict - a dictionary to add global models to
+            models - a list of pairs (service_name, xproto_name,
+            config_fn - filename of config file)
+
+        Returns:
+            Dictionary containing the following:
+                sys_path_save: the original sys.path
+                model_accessor: model accessor class
+                Config: the Config object
+                xos_dir: xos directory
+                services_dir: services directory
+    """
+    def get_models_fn(services_dir, service_name, xproto_name):
+        name = os.path.join(service_name, "xos", xproto_name)
+        if os.path.exists(os.path.join(services_dir, name)):
+            return name
+        else:
+            name = os.path.join(service_name, "xos", "synchronizer", "models", xproto_name)
+            if os.path.exists(os.path.join(services_dir, name)):
+                return name
+        raise Exception("Unable to find service=%s xproto=%s" % (service_name, xproto_name))
+
+    sys_path_save = sys.path
+
+    xos_dir = os.path.join(test_path, "../../..")
+    if not os.path.exists(os.path.join(test_path, "new_base")):
+        xos_dir = os.path.join(test_path, "../../../../../../orchestration/xos/xos")
+        services_dir = os.path.join(xos_dir, "../../xos_services")
+    sys.path.append(xos_dir)
+    sys.path.append(os.path.join(xos_dir, 'synchronizers', 'new_base'))
+
+    # Setting up the config module
+    from xosconfig import Config
+    config = os.path.join(test_path, config_fn)
+    Config.clear()
+    Config.init(config, "synchronizer-config-schema.yaml")
+
+    xprotos = []
+    for (service_name, xproto_name) in models:
+        xprotos.append(get_models_fn(services_dir, service_name, xproto_name))
+
+    from synchronizers.new_base.mock_modelaccessor_build import build_mock_modelaccessor
+    build_mock_modelaccessor(xos_dir, services_dir, xprotos)
+    import synchronizers.new_base.modelaccessor
+    from synchronizers.new_base.modelaccessor import model_accessor
+    from mock_modelaccessor import MockObjectList
+
+    # import all class names to globals
+    for (k, v) in model_accessor.all_model_classes.items():
+        globals_dict[k] = v
+
+    return {"sys_path_save": sys_path_save,
+            "model_accessor": model_accessor,
+            "Config": Config,
+            "xos_dir": xos_dir,
+            "services_dir": services_dir,
+            "MockObjectList": MockObjectList}